| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Aug | 1,000 |
| 2025 | May | 2,000 |
| 2024 | May | 1,600 |
| 2023 | May | 1,100 |
| 2022 | May | 1,000 |
| 2021 | May | 850 |
| 2020 | Feb | 700 |
| 2019 | May | 650 |
| 2018 | May | 600 |
| 2017 | May | 475 |
| 2016 | May | 50 |
| 2016 | Mar | 365 |
| 2015 | May | 290 |
| 2014 | May | 270 |
| 2013 | May | 260 |
| 2012 | May | 190 |
| 2011 | May | 175 |
| 2010 | May | 150 |
| 2009 | May | 175 |
| 2008 | May | 175 |
| 2007 | May | 150 |
| 2006 | May | 125 |
| 2005 | May | 100 |
| 2004 | May | 80 |
| 2003 | May | 75 |
| 2002 | Jun | 70 |
| 2001 | May | 45 |
| 2000 | May | 10 |
| 2000 | Feb | 70 |
| 1999 | May | 70 |
| 1998 | Jul | 50 |
| 1997 | Jul | 40 |